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org.primefaces.component.breadcrumb.BreadCrumbRenderer Maven / Gradle / Ivy
/**
* Copyright 2009-2013 PrimeTek.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.primefaces.component.breadcrumb;
import java.io.IOException;
import java.util.List;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.primefaces.component.menu.AbstractMenu;
import org.primefaces.component.menu.BaseMenuRenderer;
import org.primefaces.model.menu.MenuElement;
import org.primefaces.model.menu.MenuItem;
public class BreadCrumbRenderer extends BaseMenuRenderer {
protected void encodeMarkup(FacesContext context, AbstractMenu menu) throws IOException {
ResponseWriter writer = context.getResponseWriter();
BreadCrumb breadCrumb = (BreadCrumb) menu;
String clientId = breadCrumb.getClientId(context);
String styleClass = breadCrumb.getStyleClass();
styleClass = styleClass == null ? BreadCrumb.CONTAINER_CLASS : BreadCrumb.CONTAINER_CLASS + " " + styleClass;
int elementCount = menu.getElementsCount();
List menuElements = (List) menu.getElements();
//home icon for first item
if(elementCount > 0) {
((MenuItem) menuElements.get(0)).setStyleClass("ui-icon ui-icon-home");
}
writer.startElement("div", null);
writer.writeAttribute("id", clientId, null);
writer.writeAttribute("class", styleClass, null);
writer.writeAttribute("role", "menu", null);
if(breadCrumb.getStyle() != null) {
writer.writeAttribute("style", breadCrumb.getStyle(), null);
}
if(elementCount > 0) {
writer.startElement("ul", null);
for(int i = 0; i < elementCount; i++) {
MenuElement element = menuElements.get(i);
if(element.isRendered() && element instanceof MenuItem) {
MenuItem item = (MenuItem) element;
//dont render chevron before home icon
if(i != 0) {
writer.startElement("li", null);
writer.writeAttribute("class", BreadCrumb.CHEVRON_CLASS, null);
writer.endElement("li");
}
writer.startElement("li", null);
writer.writeAttribute("role", "menuitem", null);
if(item.isDisabled())
encodeDisabledMenuItem(context, item);
else
encodeMenuItem(context, menu, item);
writer.endElement("li");
}
}
writer.endElement("ul");
}
writer.endElement("div");
}
@Override
public void encodeChildren(FacesContext context, UIComponent component) throws IOException {
// Do nothing
}
@Override
public boolean getRendersChildren() {
return true;
}
@Override
protected void encodeScript(FacesContext context, AbstractMenu abstractMenu) throws IOException {
// Do nothing
}
private void encodeDisabledMenuItem(FacesContext context, MenuItem menuItem) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String style = menuItem.getStyle();
String styleClass = menuItem.getStyleClass();
styleClass = styleClass == null ? BreadCrumb.MENUITEM_LINK_CLASS : BreadCrumb.MENUITEM_LINK_CLASS + " " + styleClass;
styleClass += " ui-state-disabled";
writer.startElement("span", null);
writer.writeAttribute("class", styleClass, null);
if(style != null) {
writer.writeAttribute("style", style, null);
}
writer.startElement("span", null);
writer.writeAttribute("class", BreadCrumb.MENUITEM_TEXT_CLASS, null);
writer.writeText((String) menuItem.getValue(), "value");
writer.endElement("span");
writer.endElement("span");
}
}